Gaya APA

McKay, M. (2002). Successful Problem Solving : A Workbook to Overcome the Four Core Beliefs Thet Keep You Stuck . : New Harbinger Publication. Inc..

Gaya MLA

McKay, Matthew. "Successful Problem Solving : A Workbook to Overcome the Four Core Beliefs Thet Keep You Stuck". : New Harbinger Publication. Inc., 2002. Academic.